SS21V-030930

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Common Mode Chokes are electronic inductors designed to suppress interference from high frequency electrical noise generated by computer and other forms of equipment. In particular, they are designed to prevent the transfer of electrical energy between circuits, reduce radiated emissions and suppress transmission losses. SM21V-030930 is a type of common mode choke.

This is a high-performance common mode choke coil that is designed to reduce high frequency electrical noise. It is constructed from two types of core material, a high permeability ferrite core and a high-frequency ferrite core. The coupled windings of the device provide greater inductance than would be possible with a single-layer winding and result in a more efficient suppression of high frequency noise.

The operating frequency range of this particular device is between 20kHz and 800kHz. At frequencies below 20kHz, the device can work as an absorbing filter. This type of choking coil also offers an excellent layer of protection against electrostatic discharges (ESD) of up to 8kV and is UL recognized.

The ability of the SM21V-030930 to reduce high frequency interference makes it suitable for use in computer systems, automotive electronics, medical equipment, telecommunications, LCD displays, and other consumer electronics. It is the perfect choice to provide strong protection against radiated emissions. The device also helps reduce EMI interference to meet FCC part 15 class B requirements.

The working principle of the SM21V-030930 is based on the fact that high frequency signals are inductively coupled when passed through its windings. This produces an inductive impedance in the signal, limiting the current flow and, hence, reducing the signal level. The windings are also designed so that high frequency signals are slightly shifted in phase, thereby canceling out most of the signals.

The inductive characteristics of the SM21V-030930 also help to reduce transmission losses, making it an efficient device for signal transmission. In addition, the choke coil\'s high resistive properties allow it to act as a power factor correction device and an active harmonic filter.

In summary, the SM21V-030930 is a type of common mode choke designed to reduce high frequency electrical noise. It is UL recognized and EMI compliant, making it suitable for use in a wide variety of electrical and electronic systems. The device utilizes inductive coupling to reduce signal levels, reduce radiated emissions, and provide excellent protection against electrostatic discharges. In addition, the choke coil also helps correct power factor and actively filter harmonics.

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